The Hydrogen Bomb: III
The physical, strategic and moral discussion of the last two issues is continued. In this article: the question of whether the weapon enhances our military security
Features
Male Fertility
Perhaps two thirds of the cases of human infertility are chargeable to men rather than women. Some recent studies have revealed a few interesting reasons why
High Vacuum
The void of the ancient Greek philosophers has become the essential medium of subtle processes in modern science and technology
The Crust of the Earth
The traditional view of the architecture of continents and ocean floors is in process of being revised by some resourceful new methods of probing beneath the surface
An Imitation of Life
Concerning the author's instructive genus of mechanical tortoises. Although they possess only two sensory organs and two electronic nerve cells, they exhibit "free will"
Frog Calls
The musical patterns produced by various species on a summer night are made visible in traces produced by the sound spectrograph
Aristotle's Physics
The famed Greek philosopher is recognized as one of the great early zoologists. But what about his reputation as a physicist?
Volvox: A Colony of Cells
The microscopic green globe that dwells in ponds is a significant member of the evolutionary line between the one-celled and many-celled organisms
Departments
50 and 100 Years Ago: May 1950
Science and the Citizen: May 1950
- Letters
Letters to the Editors, May 1950
- Recommended
Books
- Amateur Scientist
The Amateur Astronomer
- Departments
Bibliography
